U22

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Standard on Our Everday Life

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• Mobile Phone (Senay)
• Modern standards in day to day life, introducing the rail gauge (Alex) ver 1.1 done, please QC the page again
• Voltage (Sanju)
• Road (Driving Side) (Felik)
• Building (Guy)
• Petroleum standard(Jacinta)
• Drinking Water (He)
• Paper Size (Arzu)
• Measuring standards in every day life (Alina)
• European Emission Standards(Arsen)
• Diamond Standard (Wujing)
• International Standard Book Number (ISBN) (Ye)

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Title

Short description

History

Author/background

Importance

On change the standard